<template>
  <div class="icons">
    <swiper :options="swiperOptions">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img :src="item.imgUrl" alt="" class="icon-img-content" />
          </div>
          <p class="icon-desc">{{ item.desc }}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: "HomeIcons",
  props:{
    list:Array
  },
  data(){
    return {
      swiperOptions:{
        autoplay:false
      }
    }
  },
  // 将list数组中每8项组成一个page数组，放到pages数组中，每个swiper-slide组件的内容为一个page数组
  computed:{
      pages(){
          const pages=[]
          this.list.forEach((item,index)=>{
              const page=Math.floor(index/8)
              if(!pages[page]) {
                  pages[page]=[]
              }
              pages[page].push(item)
          })
          return pages
      }
  }
};
</script>

<style lang="scss" scoped>
@import "~@/assets/style/varibles";
@import "~@/assets/style/mixins";
::v-deep .swiper-container {
  height: 0;
  padding-bottom: 50%;
}
.icons {
  margin-top:.1rem;
}
.icon {
  height: 0;
  width: 25%;
  float: left;
  padding-bottom: 25%;
  overflow: hidden;
  position: relative;
  &-img {
    position: absolute;
    top: 0;
    left: 0;
    right:0;
    bottom: 0.44rem;
    box-sizing: border-box;
    padding: 0.1rem;
    &-content {
      display: block;
      margin: 0 auto;
      height: 100%;
    }
  }
  &-desc {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    line-height: 0.44rem;
    height: 0.44rem;
    color: $dartTextColor;
    text-align: center;
    @include single-ellipsis;
  }
}
</style>
